diff --git a/changelog.md b/changelog.md
index 650167c..8939263 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,8 @@
+------------------------------------------------------
+BLAST 1.13.1 - 1.21.1
+------------------------------------------------------
+- Fixed Bonesburrier dupe bug
+
 ------------------------------------------------------
 BLAST 1.13 - 1.21.1
 ------------------------------------------------------
diff --git a/gradle.properties b/gradle.properties
index abc946c..2e8eff2 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -3,7 +3,7 @@ org.gradle.jvmargs = -Xmx1G
 org.gradle.parallel = true
 
 # Mod Properties
-mod_version = 1.13-1.21.1
+mod_version = 1.13.1-1.21.1
 maven_group = ladysnake
 archives_base_name = blast